Wild Edibles: Canning Workshop Saturday, August 15,Â 10-11 Christine Kendle from the OSU Extension Service will teach the basics of home canning. Emphasis will be placed on the science behind preservation so than everyone who cans, will understand why certain procedures must be followed precisely to ensure a high-quality, safe product.Â This meet-up is free and open to the public.Â No preregistration is required. Â